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09-17-2005, 01:56 PM
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#1
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Registered User
Join Date: Dec 2004
Posts: 1,440
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Quadra-Trac vs Quadra-Drive
What is the difference between them?
Thanks,
Jesse
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09-17-2005, 03:34 PM
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#2
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BecauseRacecar
Join Date: Nov 2004
Location: NorCal
Posts: 13,320
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QudaTracII is open front diff and rear trac-lock diff...
QuadraDrive is both front and rear vari-lock diffs...
Both use NV247 T -case
Basciy:
QTII = rear limted slip diff
QD = front and rear limted slip diffs (and they are alittle better)
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2013 FR-S
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09-17-2005, 07:12 PM
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#3
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Registered User
Join Date: Oct 2003
Location: SLT
Posts: 82
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i thought quadra trac II had all open diffs?? hmm...
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[COLOR=707D84]2002 Jeep Grand Cherokee SPECIAL EDITION 4.0L Quadra Trac II[/COLOR]
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09-17-2005, 07:56 PM
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#4
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BecauseRacecar
Join Date: Nov 2004
Location: NorCal
Posts: 13,320
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Quote:
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Originally Posted by bikemanj7
i thought quadra trac II had all open diffs?? hmm...
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Some might... look at your build sheet to find out if you have open, trac-lock, or vari-lock...
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2013 FR-S
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09-17-2005, 10:04 PM
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#5
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Registered User
Join Date: Sep 2005
Location: Chandler, Arizona
Posts: 167
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This is what my 04 WJ has
QUADRA-DRIVE 4WD SYSTEM
Quadra-Trac II On Demand 4WD System
Vari-Lok Progressive Front Axle
Vari-Lok Progressive Rear Axle
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09-17-2005, 10:10 PM
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#6
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Registered User
Join Date: Jul 2005
Location: Cincinnati,OH
Posts: 546
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Does the Select Trac has these vari-lock or trac-lock.
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2000 WJ 4.0 I6 --> Daily Driver for past 7 year and love it.
BridgeStone Revos 265/70 R16
Kevin's Rock Slider - LP1 model
Kevin's 2.5"BB, DT3000, OME SS, Addco Rear Sway bar
Front Skid & Transfer Case Skid.
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09-18-2005, 09:18 AM
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#7
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Senior Member
Join Date: Oct 2004
Location: Peachtree City Georgia
Posts: 923
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Qt II
You only have the limited slip on the rear with a QT II if you ordered the option. And either you have a Quadradrive or Quadratrac II not both. 
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2004 GC Spec. Edit. V8 4x4 Quadra-Trac II. Bright Silver Metallic Clear Coat, 4" lift, RE shocks, adj. JKS CAs all around, 265/75/16, 10 ply., Maxxis Bighorns, ProtoFab winch bumper, Vortex 10,000 lb. winch, dual OME steering stabilizer, Rockyroad rockrails, skids, JKS Discos. Addco front & rear sway bar, & Aussie locker. Next year? : Rear bumper with tire carrier.
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09-18-2005, 11:14 AM
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#8
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Registered User
Join Date: Nov 2004
Posts: 202
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That last post is not quite accurate
Quadra Drive is a Quadra Track 2 transfer case combined with front and rear 'vari-lock' differentials in the axles. So they actually are, in the transfer case, the same thing. If you install limited slip differentials in the front and rear and you already have a QT 2 transfer case my thought is you made your own Quadra-Drive system.
My 04 Overland has, as all Overland models do, the Quadra Drive system, but the invoice says the Jeep has a QT-2 transfer case., and never mentions Quadra-Drive. The two Vari-Lok axles make it Quadra Drive.
Here's one for you when does your factory Jeep grand Cherokee have a Dana 44 rear and when doesn't it ? 
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[FONT=Comic Sans MS]Ed . . .owner of 2 Grand's, a 94 Limited V-8 w/Up-Country and a '04 Overland 4WD[/FONT]
205,000 miles on the '94, 2500 Miles on the '04
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09-18-2005, 11:38 AM
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#9
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BecauseRacecar
Join Date: Nov 2004
Location: NorCal
Posts: 13,320
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Quote:
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Originally Posted by 2Grand4s
Here's one for you when does your factory Jeep grand Cherokee have a Dana 44 rear and when doesn't it ? |
V8 WJ= D44a rear axel
I6 WJ no tow pkg= D35c rear axel
I6 WK w/tow pkg= D44a*
*sometimes they still have the D35c with this set up too... It can really go either way...
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2013 FR-S
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09-18-2005, 12:59 PM
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#10
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Senior Member
Join Date: Oct 2004
Location: Peachtree City Georgia
Posts: 923
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Ok
I stand corrected. I was just going by names and not the technical point of the different TCs. Thanks for the clarification. Never too old to learn. 
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2004 GC Spec. Edit. V8 4x4 Quadra-Trac II. Bright Silver Metallic Clear Coat, 4" lift, RE shocks, adj. JKS CAs all around, 265/75/16, 10 ply., Maxxis Bighorns, ProtoFab winch bumper, Vortex 10,000 lb. winch, dual OME steering stabilizer, Rockyroad rockrails, skids, JKS Discos. Addco front & rear sway bar, & Aussie locker. Next year? : Rear bumper with tire carrier.
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09-18-2005, 01:13 PM
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#11
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Registered User
Join Date: Sep 2005
Location: Chandler, Arizona
Posts: 167
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Quote:
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Originally Posted by 2Grand4s
Here's one for you when does your factory Jeep grand Cherokee have a Dana 44 rear and when doesn't it ? |
My overland's got a D44. It has the class 4 tow package installed. I think the tow package determines D44.
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09-18-2005, 04:40 PM
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#12
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BecauseRacecar
Join Date: Nov 2004
Location: NorCal
Posts: 13,320
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Quote:
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Originally Posted by Chandler
My overland's got a D44. It has the class 4 tow package installed. I think the tow package determines D44.
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All V8 WJ's have the D44a... tow pkg or not...
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2013 FR-S
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09-19-2005, 10:31 PM
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#13
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Registered User
Join Date: Sep 2005
Posts: 3
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There is yet another difference between Quadra Trac and Quadra Drive II.
Towing capacity.
Quadra Trac = 6500 lbs (Max = 7200lbs)
Quadra Drive II = 3500 lbs
So it looks as though you need to make a choice based on your towing or traction needs as well.
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09-19-2005, 10:57 PM
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#14
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BecauseRacecar
Join Date: Nov 2004
Location: NorCal
Posts: 13,320
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Quote:
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Originally Posted by Bob_V
There is yet another difference between Quadra Trac and Quadra Drive II.
Towing capacity.
Quadra Trac = 6500 lbs (Max = 7200lbs)
Quadra Drive II = 3500 lbs
So it looks as though you need to make a choice based on your towing or traction needs as well.
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My QD can tow 6,500 ... Not sure where you got that info... 3,500 is the amount the V6 WK can tow... Maybe you get them confused?
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2013 FR-S
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09-20-2005, 02:35 PM
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#15
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Registered User
Join Date: Sep 2005
Posts: 3
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I got the specs from the jeep.com website under "Specifications" - "Capacities/Weights".
I should also note that I was looking at the '06 Overland model which comes with Quadra-Trac II Active Full-Time 4WD and Quadra-Drive® II 4WD System standard.
It certainly doesn't make sense that they would do this.
Must be a typo on their site eh?
I hope this is an error on their part as I am buying the '06 Overland hopefully by the end of this week.
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Quadra-Trac vs Quadra-Drive
